Peak to average power ratio reduction apparatus and method for a wireless OFDM transmitter
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United States of America Patent
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Jul 26, 2011
Grant Date -
Apr 23, 2009
app pub date -
Oct 19, 2007
filing date -
Oct 19, 2007
priority date (Note) -
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Abstract
An OFDM symbol comprises information subcarriers which carry the information to be transmitted, accompanied by edge subcarriers, which are selected to minimize the PAPR of the transmitted signal. The selection of edge subcarriers which minimizes PAPR enables either higher power transmission for the same information content, or lower power consumption for the same transmitted symbol power.
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